package NGUYENVANTHANG.JAVA_FOR_BASE;

public class dientichtamgiac {
	//1. Phương thức
    public double Area(double side01, double side02, double side03){
        double a = (side01 + side02 + side03)/2;        
        return Math.sqrt(a *(a - side01) *(a - side02) * (a - side03));
    }    

}
